4-8 July 2016
Kramer Law building
Africa/Johannesburg timezone
Paper Review: Initial screening in progress
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Anti-Newtonian cosmological solutions in fourth-order gravity

Presented by Dr. Amare ABEBE on 5 Jul 2016 from 10:20 to 10:40
Type: Oral Presentation
Session: Astrophysics (1)
Track: Track D1 - Astrophysics

Abstract

A class of perfect-fluid ''anti-Newtonian'' cosmological solutions in higher-order gravity will be discussed. In particular, we present the integrability conditions of such gravity models using the covariant consistency analysis formalism. We show that, unlike in General Relativity, these anti-Newtonian solutions exist subject to the solution of an integrability condition equation we derive, and that they are not silent cosmological models. We also present the set of evolution equations governing the linear perturbations of matter, expansion and Ricci scalar for this class of models.

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Location: Kramer Law building
Address: UCT Middle Campus Cape Town
Room: 5A


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